Problems Deleting a Family Account
If you wish to delete your account, please close any connected child account(s), and then contact customer care. We will then be able to delete your account per your request. A request to delete a family account cannot be processed while an active child account remains open.
In accordance with the Children's Online Privacy Protection Act of 1998 (COPPA), a child account under the age of 13 cannot be left open if a parent wishes to delete their account.
If you have forgotten which Yahoo! IDs are associated with your family account, you can find your Yahoo! ID online.